CN217325684U

CN217325684U - Automatic dirt collecting tank of medical vacuum system

Info

Publication number: CN217325684U
Application number: CN202220413403.9U
Authority: CN
Inventors: 张振雷; 孙道学; 张振康
Original assignee: Votec Vacuum Technology Tianjin Co ltd
Current assignee: Votec Vacuum Technology Tianjin Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-08-30
Anticipated expiration: 2032-02-28

Abstract

The application provides an automatic sewage collection tank of a medical vacuum system, which comprises a liquid storage tank and a liquid level switch; the liquid storage tank is respectively provided with a liquid inlet, a liquid outlet and an air extraction opening; the liquid inlet and the air exhaust port are respectively positioned at the position, close to the top, of the liquid storage tank and are respectively provided with a first electromagnetic valve; one ends of the two first electromagnetic valves, which are far away from the liquid storage tank, are connected through a bypass pipe; a second electromagnetic valve for controlling on-off is arranged on the bypass pipe; a liquid discharge valve for controlling discharge is arranged on the liquid discharge port; the liquid level switch is arranged on the side wall of the liquid storage tank and is linked with the first electromagnetic valve, the liquid discharge valve and the second electromagnetic valve respectively. According to the technical scheme provided by the embodiment of the application, the liquid level switch is arranged in the liquid storage tank, and the liquid level switch is triggered after the liquid level in the liquid storage tank reaches the designated position, so that the liquid discharge valve is controlled to be automatically opened to discharge waste liquid, and meanwhile, the first electromagnetic valve is also closed; compared with the prior art, the technical scheme can automatically discharge and is more convenient to use.

Description

Automatic dirt collecting tank of medical vacuum system

Technical Field

The application relates to the technical field of medical equipment, in particular to an automatic sewage collecting tank of a medical vacuum system.

Background

A large amount of waste liquid, waste blood and other pollutants are generated in the treatment process of the modern medical technology, are mainly sucked to a central vacuum system for treatment through vacuum negative pressure through a pipeline, the whole process is closed, and secondary cross infection in a hospital is prevented.

The medical waste liquid collecting system used at present generally comprises a frame body and a collecting cylinder fixed on the frame body, wherein the collecting cylinder is connected with a negative pressure source, so that negative pressure is generated in the collecting cylinder, and the collection of waste liquid is realized.

The medical waste liquid collection systems currently used have the following disadvantages: after the collecting cylinder is full of waste liquid, the collecting cylinder needs to be replaced integrally, and the collecting cylinder is inconvenient to replace.

Disclosure of Invention

In view of the above-mentioned shortcomings or drawbacks of the prior art, it is desirable to provide an automatic dirt collection tank for a medical vacuum system.

The application provides an automatic dirt collecting tank of a medical vacuum system, which comprises a liquid storage tank and a liquid level switch; the liquid storage tank is respectively provided with a liquid inlet, a liquid outlet and an air extraction opening; the liquid inlet and the air exhaust port are respectively positioned at the position, close to the top, of the liquid storage tank and are respectively provided with a first electromagnetic valve; one ends of the two first electromagnetic valves, which are far away from the liquid storage tank, are connected through a bypass pipe; a second electromagnetic valve for controlling on-off is arranged on the bypass pipe; a liquid discharge valve for controlling discharge is arranged on the liquid discharge port; the liquid level switch is installed on the side wall of the liquid storage tank and is linked with the first electromagnetic valve, the liquid discharge valve and the second electromagnetic valve respectively.

Further, an air inlet is also formed in the liquid storage tank; the air inlet is positioned at the top of the liquid storage tank and is provided with an air inlet valve; the air inlet valve is also linked with the liquid level switch and used for accelerating liquid drainage.

Further, the liquid level switch comprises a liquid level upper limit switch and a liquid level lower limit switch; the liquid level lower limit switch is positioned at the bottom of the liquid storage tank; the liquid level upper limit switch is positioned between the liquid level lower limit switch and the first electromagnetic valve.

Further, the liquid inlet and the air suction opening are symmetrical about the axis of the liquid storage tank; two ends of the air pumping port are respectively connected with a vacuum pump and a drying assembly; two ends of the liquid inlet are respectively connected with a liquid suction nozzle and a U-shaped head; the U-shaped head is positioned in the liquid storage tank, the inlet of the U-shaped head is connected with the liquid inlet, and the outlet of the U-shaped head is perpendicular to the inner wall of the liquid storage tank.

Further, the drying component is positioned in the liquid storage tank and comprises a drying pipe; the drying pipe is connected with the air extraction opening in a plugging manner, and a drying agent is filled in the drying pipe; a jack is arranged on the air pumping hole corresponding to the drying pipe; an annular groove is formed in the inner wall of the socket; and a clamping groove for mounting the drying tube is arranged on one side of the groove far away from the liquid storage tank.

Furthermore, a matched plug is arranged on the drying tube corresponding to the jack; the diameter of the plug is matched with the inner diameter of the socket, and the outer ring is provided with matched bulges corresponding to the clamping groove.

Further, a sealing ring is arranged in the socket; the sealing ring is positioned on the inner ring of the socket; the inner side of the socket is provided with an annular mounting groove corresponding to the sealing ring.

The application has the advantages and positive effects that:

according to the technical scheme, the liquid level switch is arranged in the liquid storage tank, and the liquid level switch can be triggered after the liquid level in the liquid storage tank reaches a specified position, so that the liquid discharge valve is controlled to be automatically opened to discharge waste liquid, and meanwhile, the first electromagnetic valve can be closed; compared with the prior art, the technical scheme can automatically discharge and is more convenient to use.

Further, connect the feed liquor end and the end of breathing in of two first solenoid valves through the bypass pipe, cooperate the second solenoid valve again, when first solenoid valve closed, the second solenoid valve can be opened in step, and the imbibition mouth that is used for absorbing the waste liquid this moment can directly communicate with the vacuum pump to when guaranteeing the waste liquid and discharging, can not interrupt the function of absorbing the waste liquid.

Drawings

Fig. 1 is a schematic structural diagram of an automatic dirt collection tank of a medical vacuum system according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a socket of an automatic dirt collection tank of a medical vacuum system according to an embodiment of the present application.

The text labels in the figures are represented as: 100-a liquid storage tank; 110-liquid level switch; 120-a first solenoid valve; 130-drain valve; 140-an air inlet valve; a 150-U shaped head; 160-drying tube; 170-a socket; 171-a groove; 172-card slot; 173-sealing ring; 200-a bypass pipe; 210-second solenoid valve.

Detailed Description

The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.

Referring to fig. 1-2, the present embodiment provides an automatic dirt collecting tank for a medical vacuum system, which includes a fluid storage tank 100; the top of the liquid storage tank 100 is provided with a detachable sealing cover, the bottom is provided with a liquid outlet for discharging waste liquid, and the side wall is provided with a liquid inlet for absorbing the waste liquid and an air extraction opening for vacuumizing; the liquid outlet and the air pumping port are positioned at the position of the liquid storage tank 100 close to the sealing cover.

In a preferred embodiment, a drain valve 130 is installed on the drain port, the drain valve 130 is located outside the liquid storage tank 100, the on-off state is controlled by the liquid level switch 110, and when the liquid level in the liquid storage tank 100 reaches a specified position, the liquid level switch 110 is triggered, so that the drain valve 130 is controlled to be opened to discharge waste liquid.

Preferably, the liquid level switch 110 includes an upper liquid level limit switch and a lower liquid level limit switch; the liquid level lower limit switch is arranged at the position of the liquid storage tank 100 close to the bottom and is used for controlling the liquid discharge valve 130 to be automatically closed; the upper limit switch of liquid level is installed between the air extraction opening and the upper limit switch of liquid level for controlling the drain valve 130 to open automatically.

In a preferred embodiment, the liquid outlet and the air pumping port are symmetrical about the axis of the liquid storage tank 100, and meanwhile, a first electromagnetic valve 120 is further respectively mounted on the liquid outlet and the air pumping port; the first solenoid valve 120 is located outside the tank 100 and is controlled by the level switch 110.

Preferably, one ends of the two first solenoid valves 120 far away from the liquid storage tank 100 are respectively connected with the bypass pipe 200; the bypass pipe 200 is provided with a second electromagnetic valve 210; the second solenoid valve 210 is also switched by the level switch 110.

During operation, the two first solenoid valves 120 are in an open state, and the drain valve 130 and the second solenoid valve 210 are in a closed state; when the liquid level in the liquid storage tank 100 reaches the upper limit switch of the liquid level, the upper limit switch of the liquid level is triggered to control the first electromagnetic valve 120 to be closed, and simultaneously control the liquid discharge valve 130 and the second electromagnetic valve 210 to be closed, at this time, the waste liquid in the liquid storage tank 100 can be discharged into the recovery device through the liquid discharge port, and the liquid suction device and the vacuum pumping device can be directly communicated through the bypass pipe 200, so that the use is not influenced by the liquid discharge; when the liquid level in the liquid storage tank 100 drops to the liquid level lower limit switch, the first solenoid valve 120, the second solenoid valve 210 and the drain valve 130 are switched to the initial state, so as to continue normal operation.

In a preferred embodiment, the suction port is further connected to a vacuum pump through a first solenoid valve 120; a tee joint is arranged at one end of the first electromagnetic valve 120 far away from the air suction port; two mounting ports of the tee are respectively connected with a vacuum pump and a bypass pipe 200.

Preferably, a drying component connected with the air extraction opening is further arranged in the liquid storage tank 100; the drying component comprises a drying pipe 160 which is connected with the air suction opening in a plugging manner, and a drying agent is filled in the drying pipe 160 and is used for drying the sucked air; the extraction opening is provided with a socket 170 corresponding to the drying pipe 160; an annular groove 171 is formed in the inner wall of the socket 170; a clamping groove 172 for mounting the drying tube 160 is arranged on one side of the groove 171 away from the liquid storage tank 100; the number of the clamping grooves 172 is not less than two, and the clamping grooves are evenly distributed along the circumferential direction.

Preferably, a matching plug is arranged on the drying tube 160 corresponding to the jack 170; the diameter of plug and the internal diameter phase-match of socket, simultaneously, correspond draw-in groove 172 and be equipped with the arch of matching on the outer lane of plug, during the installation, align and insert the arch on the plug with draw-in groove 172 on the socket, make the arch be located recess 171, the rotatory alright quick completion of rethread butt joint installation.

Preferably, a sealing ring 173 is further arranged in the socket 170; the sealing ring 173 is positioned at the inner ring of the socket; the inner side of the socket is provided with a matched mounting groove corresponding to the sealing ring; the mounting groove is annular and when the plug is inserted, the sealing ring is positioned between the socket 170 and the plug, thereby forming a seal.

In a preferred embodiment, the liquid inlet is further connected with a liquid suction nozzle through a first solenoid valve 120; the liquid suction nozzle is used for directly sucking waste liquid and is connected with the first electromagnetic valve 120 through a hose; a tee joint is arranged at one end of the first electromagnetic valve 120 far away from the liquid inlet; the hose and the bypass pipe 200 are connected to the first solenoid valve 120 through a tee joint, respectively.

Preferably, a U-shaped head 150 is arranged in the liquid storage tank 100 corresponding to the liquid inlet; the U-shaped head 150 is fixedly installed on the liquid inlet, and the outlet is perpendicular to the inner wall of the liquid storage tank 100, so that the waste liquid can directly contact with the inner wall of the liquid storage tank 100 after entering the liquid storage tank 100, thereby facilitating the gas-liquid separation.

In a preferred embodiment, the sealing cover is also provided with an air inlet; an air inlet valve 140 is arranged on the air inlet; the air inlet valve 140 is also linked with the liquid level switch 110 and is synchronously opened and closed with the drain valve 130 for accelerating the discharge of the waste liquid.

The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other contexts without modification may be viewed as within the scope of the present application.

Claims

1. An automatic dirt collecting tank of a medical vacuum system is characterized by comprising a liquid storage tank (100) and a liquid level switch (110); the liquid storage tank (100) is respectively provided with a liquid inlet, a liquid outlet and an air extraction opening; the liquid inlet and the air extraction opening are respectively positioned at the position of the liquid storage tank (100) close to the top and are respectively provided with a first electromagnetic valve (120); one ends of the two first electromagnetic valves (120) far away from the liquid storage tank (100) are connected through a bypass pipe (200); a second electromagnetic valve (210) for controlling on-off is arranged on the bypass pipe (200); a drain valve (130) for controlling discharge is arranged on the drain port; the liquid level switch (110) is installed on the side wall of the liquid storage tank (100) and is linked with the first electromagnetic valve (120), the liquid discharge valve (130) and the second electromagnetic valve (210) respectively.

2. The automatic dirt collection tank of medical vacuum system according to claim 1, characterized in that the liquid storage tank (100) is further provided with an air inlet; the air inlet is positioned at the top of the liquid storage tank (100) and is provided with an air inlet valve (140); the air inlet valve (140) is also linked with the liquid level switch (110) and used for accelerating liquid drainage.

3. The automatic waste collection tank of medical vacuum system as claimed in claim 1, wherein the liquid level switch (110) comprises an upper liquid level limit switch and a lower liquid level limit switch; the liquid level lower limit switch is positioned at the bottom of the liquid storage tank (100); the upper liquid level limit switch is located between the lower liquid level limit switch and a first solenoid valve (120).

4. The automatic dirt collection tank of medical vacuum system according to claim 1, characterized in that the liquid inlet and the suction port are symmetrical about the axis of the liquid storage tank (100); two ends of the air pumping port are respectively connected with a vacuum pump and a drying assembly; two ends of the liquid inlet are respectively connected with a liquid suction nozzle and a U-shaped head (150); the U-shaped head (150) is positioned in the liquid storage tank (100), the inlet is connected with the liquid inlet, and the outlet is vertical to the inner wall of the liquid storage tank (100).

5. The medical vacuum system automatic dirt collection tank of claim 4, wherein the drying assembly is located within the fluid reservoir (100) and includes a drying tube (160); the drying pipe (160) is connected with the air extraction opening in a plugging manner, and a drying agent is filled in the drying pipe; a socket (170) is arranged on the air extraction opening corresponding to the drying pipe (160); an annular groove (171) is formed in the inner wall of the socket (170); and a clamping groove (172) for mounting the drying tube (160) is formed in one side of the groove (171) far away from the liquid storage tank (100).

6. The automatic dirt collection tank of medical vacuum system according to claim 5, characterized in that the drying tube (160) is provided with a matching plug corresponding to the socket (170); the diameter of the plug is matched with the inner diameter of the socket, and the outer ring is provided with a matched bulge corresponding to the clamping groove (172).

7. The automatic dirt collection tank of medical vacuum system according to claim 5, characterized in that a sealing ring (173) is further provided in the socket (170); the sealing ring (173) is positioned at the inner ring of the socket (170); the inner side of the socket (170) is provided with an annular mounting groove corresponding to the sealing ring.